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# SPDX-License-Identifier: GPL-2.0-or-later
#
# Copyright (C) 2022, Paul Elder <paul.elder@ideasonboard.com>
#
# raspberrypi_parser.py - Parser for Raspberry Pi config file format
from .parser import Parser
import json
import numbers
import libtuning.utils as utils
class RaspberryPiParser(Parser):
def __init__(self):
super().__init__()
# The string in the 'disable' and 'plot' lists are formatted as
# 'rpi.{module_name}'.
# @brief Enumerate, as a module, @a listt if its value exists in @a dictt
# and it is the name of a valid module in @a modules
def _enumerate_rpi_modules(self, listt, dictt, modules):
for x in listt:
name = x.replace('rpi.', '')
if name not in dictt:
continue
module = utils.get_module_by_typename(modules, name)
if module is not None:
yield module
def _valid_macbeth_option(self, value):
if not isinstance(value, dict):
return False
if list(value.keys()) != ['small', 'show']:
return False
for val in value.values():
if not isinstance(val, numbers.Number):
return False
return True
def parse(self, config_file: str, modules: list) -> (dict, list):
with open(config_file, 'r') as config_json:
config = json.load(config_json)
disable = []
for module in self._enumerate_rpi_modules(config['disable'], config, modules):
disable.append(module)
# Remove the disabled module's config too
config.pop(module.name)
config.pop('disable')
# The raspberrypi config format has 'plot' map to a list of module
# names which should be plotted. libtuning has each module contain the
# plot information in itself so do this conversion.
for module in self._enumerate_rpi_modules(config['plot'], config, modules):
# It's fine to set the value of a potentially disabled module, as
# the object still exists at this point
module.appendValue('debug', 'plot')
config.pop('plot')
# Convert the keys from module name to module instance
new_config = {}
for module_name in config:
module = utils.get_module_by_type_name(modules, module_name)
if module is not None:
new_config[module] = config[module_name]
new_config['general'] = {}
if 'blacklevel' in config:
if not isinstance(config['blacklevel'], numbers.Number):
raise TypeError('Config "blacklevel" must be a number')
# Raspberry Pi's ctt config has magic blacklevel value -1 to mean
# "get it from the image metadata". Since we already do that in
# Image, don't save it to the config here.
if config['blacklevel'] >= 0:
new_config['general']['blacklevel'] = config['blacklevel']
if 'macbeth' in config:
if not self._valid_macbeth_option(config['macbeth']):
raise TypeError('Config "macbeth" must be a dict: {"small": number, "show": number}')
new_config['general']['macbeth'] = config['macbeth']
else:
new_config['general']['macbeth'] = {'small': 0, 'show': 0}
return new_config, disable
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